National Weather Service United States Department of Commerce

Since 1879

 

Hottest Temperatures on Record

TEMPERATURE
(°F)

DATE
112 July 14, 1954
110 July 14, 1936
108 August 8, 1934
August 9, 1934
July 12, 1936
July 13, 1936
107 July 22, 1901
July 24, 1934
July 15, 1936
106 July 21, 1901
August 4, 1918
July 20, 1934
July 21, 1934
July 22, 1934
July 27, 1936
August 18, 1936
July 12, 1954
July 12, 1966
July 13, 1966

 

Highest Dew Point (since 1973)

DEW POINT (°F) DATE
83 August 4, 2008

 

Highest Heat Index (since 1973)

HEAT INDEX DATE
120 July 15, 1980
117 July 13, 1995
July 14, 1980
July 8, 1980
July 7, 1980
116 August 3, 1987
July 13, 1981
July 19, 1980
July 12, 1980
July 9, 1980
July 1, 1980
115 July 24, 2016
August 2, 1987
NOTE:  Based on hourly temperature and dew point observations, since this is not directly measured.  

 

Days At or Above 90°

Most Year Least Year
70 1936 4 1904
68 1934 5 2004
64 1913 6 1882, 1889, 1950
63 1944, 2012 7 1915, 2008
62 1933, 1983 9 1884, 1951, 1992

 

Days At or Above 100°

Most Days Year Longest Period
Below 100°
Year
29 1936 15 years 1996-2010
18 1934 11 years 1879-1889
11 2012 10 years 1891-1900
10 1931 9 years 1902-1910
9 1954 9 years 1955-1963

 

Consecutive Days of Highs 90° or Above

Number of Days Dates Highest Temperature
During Period
22 June 28-July 19, 1921 100 on July 13
21 August 8-28, 1936 106 on August 18
21 July 11-31, 1916 102 on July 29
20 July 9-28, 1901 107 on July 22
18 July 19-August 5, 1940 102 on July 25
18 July 2-19, 1936 110 on July 14
18 July 17-August 3, 1987 100 on August 2-3

 

Consecutive Days of Highs 100° or Higher

Number of Days Dates
12 July 4-15, 1936
6 July 9-14, 1966
6 July 25-30, 1916
6 Aug. 21-26, 1936
6 July 20-25, 1934

 

Earliest and Latest Occurrences of Indicated Temperatures

Temperature Earliest 1st Occurrence Latest 1st Occurrence Latest Last Occurrence
70
Jan. 7, 1907
Apr. 24, 1984
Dec. 28, 1984
80
Mar. 3, 1974
May 28, 1919
Nov. 4, 1978
90
Mar. 21, 1907
Aug. 15, 2000
Oct. 11, 1962
100
May 31, 1934
Several years
without 100 deg.
Sep. 29, 1953

 

Monthly Records for Highs 90 Degrees or Higher

MAY JUNE JULY AUGUST SEPTEMBER
11 days (1962) 23 days (1933, 1934) 28 days (2012) 27 days (1947) 17 days (1931)
10 days (1977) 20 days (1971) 27 days (1901) 22 days (1936) 16 days (1939)
9 days (1911, 1944, 1987) 18 days (1944, 1953) 26 days (1916) 21 days (1900, 1983, 2007) 14 days (1897)
8 days (1934, 1941) 17 days (1952) 25 days (1921, 1936) 19 days (1913, 1995) 13 days (1933, 2005)
7 days (1921) 16 days (1913, 1954, 1963) 24 days (1983) 18 days (1937, 1955, 2012) 12 days (1925, 1971)